#include <bits/stdc++.h>
using namespace std;

const int N = 1e5 + 10;
int n, now, a[N];

void fre()
{
	freopen("duel.in", "r", stdin);
	freopen("duel.out", "w", stdout);
}

int main()
{
	fre(); cin >> n;
    for (int i = 1; i <= n; i ++ )
    {
        int x; cin >> x;
        a[x] ++ ;
    }

    for (int i = 1; i <= 100000; i ++ )
        if (a[i] > now) now = a[i];

    cout << now << endl;
	return 0;
}
